FILE - In this Thursday, May 9, 2013 file photo, Iraqis walk past a poster of Ahmed Hassan, an Iraqi Shiite fighter who was killed in Syria as he was protecting Sayida Zeinab shrine, in Baghdad, Iraq.... more 
FILE - In this Thursday, May 9, 2013 file photo, Iraqis walk past a poster of Ahmed Hassan, an Iraqi Shiite fighter who was killed in Syria as he was protecting Sayida Zeinab shrine, in Baghdad, Iraq. Iraqi Shiite fighters are playing an increasingly prominent role in neighboring Syria's civil war, exacerbating Iraq's own fraught sectarian tensions even as violence in the country spikes to its highest level in years. (AP Photo/ Karim Kadim, File) less 
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Associated Press | Photo By Karim Kadim, File
Mon, Jun 10, 2013 2:41 PM EDT